JP3232198B2 - Folding door stopper device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a stopper device for a folding door used to stop an upper runner and a lower runner located at an end of the rail from running when the folding door is attached to the rail so as to be freely opened and closed. Things.

[0002]

2. Description of the Related Art Conventionally, when a stopper is attached to a U-shaped rail with a lip in cross section, a rectangular nut plate is disposed between rail lip pieces in a state where the longitudinal direction of the nut plate is oriented in the longitudinal direction of the rail. Then, rotate the nut plate 90 ° on the back side of the lip piece, lock both ends of the nut plate on the back side of the lip piece, place the stopper body on the rail, insert the screw into the stopper body, and screw the nut He screwed it to the board and tightened it.

[0003]

However, in the above conventional example, a nut plate is inserted into the back side of the lip from a narrow opening with a finger, and the nut plate is held with a finger to hold the nut plate with a stopper body or a screw. It was necessary to tighten the screw while keeping the nut plate from rotating with the fingers, and there was a problem that the installation of the stopper body was troublesome and the construction was difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a stopper device for a folding door in which a stopper can be attached to a rail by a simple operation.

[0005]

In order to achieve the above object, a stopper device for a folding door according to the present invention comprises a substantially rectangular stopper plate 1 and a substantially rectangular nut plate 2 on the back side at one end side in the longitudinal direction of the stopper plate 1. And the nut plate 2 is disposed so that the longitudinal direction of the nut plate 2 is substantially parallel to the nut plate 2, and the nut plate 2 is supported on the stopper plate 1 so as not to rotate and can be freely moved close to and away from the stopper plate 1. 3
Is screwed into the approximate center of the nut plate 2, and a knob piece 4 is integrally provided on the surface of the other end of the stopper plate 1 so as to protrude toward the front surface, between the lip pieces 5 a of the rail 5 having a U-shaped cross section. The length of the nut plate 2 in the longitudinal direction is made longer than the width of the opening, and the shorter length of the nut plate 2 is made shorter than the width of the opening between the lip pieces 5a. With the longitudinal direction of the plate 1 arranged so as to be orthogonal to the rail 5, both ends in the longitudinal direction of the nut plate 2 are locked on the back side of the lip 5 a, and the fastening screws 3 are tightened to secure the stopper plate 1 and the nut plate 2. The lip piece 5a is sandwiched between them.

It is also preferable that the knob piece 4 is provided with an uneven surface 6.

[0007]

According to the above construction, the stopper plate 1 supporting the nut plate 2 is arranged on the rail 5 with the longitudinal direction of the stopper plate 1 oriented parallel to the longitudinal direction of the rail 5, and the nut plate 2 is moved to the rail. 5 is inserted into the back side of the lip piece 5a from between the lip pieces 5a. In this state, the stopper plate 1 is rotated by 90 ° while holding the knob piece 4 to lock both ends of the nut plate 2 on the back side of the lip piece 5a. In this state, the fastening screw 3 is tightened and the stopper plate 1 and the nut plate 2 are attached so as to sandwich the lip 5a. Since the stopper A can be attached and constructed in this manner, it is not necessary to support the nut plate 2 with a finger, and the attachment can be performed much easier than in the past. In addition, when the stopper plate 1 is rotated by 90 ° when attached, the operation can be easily performed by holding the knob piece 4.

[0008] When the knob 4 has the uneven surface 6, the operation is easy without slipping the finger when operating the knob 4.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 2, a stopper A comprises a stopper plate 1 made of synthetic resin, a nut plate 2 made of metal, and a fastening screw 3 made of metal. The stopper plate 1 is formed in a rectangular shape as shown in FIG. 3, and has a plurality of ridges 8 projecting in the longitudinal direction on the surface. One end of the stopper plate 1 is provided with a stepped screw hole 9 penetrating from front to back, and the other end of the stopper plate 1 is integrally provided with a knob piece 4 which rises vertically to the surface side. It is. On both sides of the screw hole 9 of the stopper plate 1, there is provided a contact concave portion 10 cut out in an arc shape. The inside of the knob 4 is hollow, and the uneven surface 6 is provided on one side in a stepwise manner. An oval-shaped convex portion 11 is provided on the back side of the stopper plate 1 where the screw hole 9 is provided, and the screw hole 9 penetrates to the rear surface of the convex portion 11 when viewed from the lower surface. At both ends on the back side of the convex portion 11, a step portion 1 fitted to the upper surface of a lip piece 5a described later is provided.
2, and an engaging projection 13 is provided on the step portion 12. A substantially U-shaped nut holding portion 7 is vertically provided on the back surface side of the convex portion 11, and the nut plate 2 is held by inserting the rectangular nut plate 2 into the nut holding portion 7. The nut plate 2 is inserted so that the longitudinal direction of the nut plate 2 is parallel to the longitudinal direction of the stopper plate 1. The nut plate 2 does not rotate with respect to the stopper plate 1, and the nut plate 2 is inserted into the stopper plate 1. On the other hand, it can be moved close to and away from it. A fastening screw 3 is inserted into the screw hole 9 from the front surface side of the stopper plate 1, and a tip of the fastening screw 3 is screwed into a substantially central female screw hole of the nut plate 2. The length in the longitudinal direction of the nut plate 2 is longer than the width of the opening between the lip pieces 5a of the rail 5 described later, and the length in the short direction is shorter than the width of the opening between the lip pieces 5a. Engaging projections 23 are provided on both ends of the nut plate 2.

As shown in FIG. 4, the folding door 15 has two panels 16 rotatably connected by hinges so as to be freely foldable. An upper runner 17 is mounted on the upper ends of both ends of the folding door 15. The lower runner 18 is attached to the lower end of both ends of the folding door 15. The rail 5 is formed in a U-shape with a lip in cross section, and is attached to the upper frame 19 and the lower frame 20 of the opening of the building. Upper runner 17 at the upper end of folding door 15 is upper frame 1
The lower runner 18 of the lower end of the folding door 15 is movably mounted on the rail 5 of the lower frame 20. The upper runner 17 has a rectangular parallelepiped traveling block 17b on the runner shaft 17a as shown in FIG.
Is rotatably mounted and a plurality of traveling rollers 17c are rotatably mounted on both sides of the traveling block 17b. The traveling roller 17c travels on the lip piece 5a with the upper runner 17 mounted on the rail 5. It is freely placed.
The lower runner 18 is connected to the runner shaft 1 as shown in FIG.
8a, a columnar running body 18b is rotatably mounted and annular running ridges 18c, 18d are provided above and below the running body 18b. The running run 18c is formed with the lower runner 18 mounted on the rail 5. It is on the lip piece 5a.

As described above, the folding door 15 is provided between the upper and lower rails 5.
Are mounted so that the upper runner 17 and the lower runner 18 where the side frame 21 of the opening is located on the side are not run, and the stopper A is mounted on the upper and lower rails 5 as follows. First, the stopper A is arranged on the rail 5 with the fastening screw 3 loosened as shown in FIG. At this time, the longitudinal direction of the stopper plate 1 of the stopper A is the rail 5
The nut plate 2 is inserted between the lip pieces 5a of the rail 5, and the nut plate 2 is positioned on the back side of the lip piece 5a. Picking piece 4 from this state
And the stopper plate 1 is rotated by 90 ° in the horizontal plane to obtain the state shown in FIG. When the stopper plate 1 is rotated with the knob 4, the finger does not slip because the knob 4 has the uneven surface 6. When the stopper plate 1 is rotated by 90 °, both ends in the longitudinal direction of the nut plate 2 are located at positions where they are engaged with the back side of the lip piece 5a as shown in FIG.
By tightening, the stopper A is attached by being sandwiched between the nut plate 2 and the convex portion 11 of the stopper plate 1. At this time, the step 12 rests on the lip 5a and the engaging projection 1
3 and 23 are strongly engaged with the lip piece 5a, and the stopper A is firmly fixed.

When the stopper A is attached as described above, the upper runner 17 and the lower runner 18 located at the ends do not move against the stopper A. In the upper runner 17, the end of the traveling block 17b is the stopper plate 1
And the lower runner 18 has a ridge 1
8c corresponds to the arc-shaped concave portion 10. Further, when the folding door 15 is folded from the state where the folding door 15 is expanded, the upper runner 17 and the lower runner 18 which run freely hit the stopper A and stop, and are not folded until the pair of panels 16 are in close contact with each other. Further, when the ridge 18c of the lower runner 18 hits the concave portion 10, the panel 16 also hits the knob piece 4 of the stopper A, and the impact when the lower runner 18 hits the stopper A is dispersed to prevent the stopper A from being damaged. it can.

FIG. 7 illustrates the position where the stopper A is mounted. FIG. 7A shows one folding door 1 in the opening.
5, and a stopper A is attached to one of the rails 5. FIG. 7 (b) shows one folding door 15 and one opening / closing door 25 attached to the opening, and a stopper A is attached to the rail 5 at one end on the folding door 15 side. FIG. 7C shows two folding doors 15 attached to the opening.
Is fitted with a stopper A. FIG. 7D shows three folding doors 15 attached to the opening so as to be freely opened and closed, and stoppers A attached to both ends of the rail 5.
The ends of the folding doors 15 on both sides are stopped by stoppers A,
The remaining folding doors 15 can move freely.

[0014]

Since the present invention is constructed as described above, the stopper plate supporting the nut plate is arranged on the rail with the longitudinal direction of the stopper plate oriented parallel to the longitudinal direction of the rail. Insert the plate into the back of the lip from the lip of the rail, and in this state hold the knob and rotate the stopper plate 90 ° to lock both ends of the nut plate on the back of the lip, and in this state It can be attached so that the lip piece is sandwiched between the stopper plate and the nut plate by tightening the tightening screw, and there is no need to support the nut plate with your fingers, making it much easier to install and work than before Also, when the stopper plate is turned 90 ° when the stopper plate is attached, it can be easily operated by holding the knob.

Further, when the knob is provided with an uneven surface as in the second aspect of the present invention, the finger can be easily operated without slipping when the knob is operated while holding the knob. is there.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of an embodiment of the present invention.

FIG. 2 shows a stopper of the above, (a) is a plan view,
(B) is a front view, (c) is a side view.

FIG. 3 shows the stopper plate of the above, (a) front view,
(B) is a bottom view, (c) is a side view, (d) is B-
(E) is a cross-sectional view taken along the line CC ′ of (a).

FIG. 4 is a partially cutaway perspective view of the folding door;

FIG. 5A is a cross-sectional view illustrating an attached state of an upper runner according to the embodiment, and FIG. 5B is a cross-sectional view illustrating an attached state of a lower runner according to the embodiment.

FIGS. 6A and 6B are perspective views showing a state in which a stopper is attached.

FIGS. 7 (a), (b), (c), and (d) are explanatory views illustrating mounting positions of the stopper according to the first embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stopper plate 2 Nut plate 3 Tightening screw 4 Knob piece 5 Rail 5a Lip piece 6 Uneven surface

──────────────────────────────────────────────────続 き Continued on the front page (56) References Utility model registration 2558696 (JP, Y2) (58) Fields studied (Int. Cl. ⁷ , DB name) E05F 5/00-5/02 E05D 15/26

Claims (2)

(57) [Claims] 1. A substantially rectangular nut plate is disposed on the back side of one end of a substantially rectangular stopper plate such that the longitudinal direction of the stopper plate and the longitudinal direction of the nut plate are substantially parallel to each other, and the nut plate is provided on the stopper plate. A knob that supports so that it can be freely moved close to and away from the stopper plate, and screws the fastening screw inserted from the surface of the stopper plate into the approximate center of the nut plate, and projects to the front surface side at the other end surface of the stopper plate. The length of the nut plate in the longitudinal direction is longer than the width of the opening between the lip pieces of the U-shaped rail with a lip in cross section, and the width of the opening between the lip pieces is shorter than the width of the opening between the lip pieces. With the stopper plate on the rail so that the longitudinal direction of the stopper plate is perpendicular to the rail, lock both ends of the nut plate in the longitudinal direction on the back side of the lip, and tighten the tightening screw A folding door stopper device comprising a lip piece sandwiched between a stopper plate and a nut plate. 2. The stopper device for a folding door according to claim 1, wherein the knob is provided with an uneven surface.